A new study is using observations made by Henry David Thoreau — 19th-century American naturalist, social reformer, and philosopher — to explore the effects of climate change on tree leaf-out and, as a result, the emergence of spring wildflowers.
A new study is using observations made by Henry David Thoreau — 19th-century American naturalist, social reformer, and philosopher — to explore the effects of climate change on tree leaf-out and, as a result, the emergence of spring wildflowers.